@article{SM_1970_10_3_a1,
     author = {L. N. Vaserstein},
     title = {Stabilization of unitary and orthogonal groups over a~ring with involution},
     journal = {Sbornik. Mathematics},
     pages = {307--326},
     publisher = {mathdoc},
     volume = {10},
     number = {3},
     year = {1970},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1970_10_3_a1/}
}